Tonight's fight card comes to us live from Las Vegas, NV. You can catch the PPV on TV or over the internet at Yahoo! Sports.

Now, on to the action! We'll have quick match results available for you after each preliminary fight followed by live round-by round coverage of all main card bouts. Remember to keep refreshing this page for the most up to date results.

Preliminary Card

Matt Arroyo vs. Daniel Cramer
Daniel Cramer defeated Matt Arroyo via Split Decision (29-28, 28-29, 29-28).

Jake O'Brien vs. Christian Wellisch
Jake O'Brien defeated Christian Wellisch via Split Decision (28-29, 29-28, 29-28)

John Howard vs. Chris Wilson
John Howard defeated Chris Wilson via Split Decision (29-28, 28-29, 29-28)

Manny Gamburyan vs. Thiago Tavares
Thiago Tavares defeated Manny Gamburyan via unanimous decision (29-28, 29-28, 29-28)

Jon Fitch vs. Akihiro Gono
Jon Fitch defeated Akihiro Gono via unanimous decision (29-28, 30-27, 30-26)

Main Card

Nate Diaz vs. Clay Guida
Round 1: Diaz started the round peppering Guida with jabs. Diaz shot and pulled guard on Guida, and Guida took control on top. Diaz managed to get back to his feet, but Guida nailed Diaz with a big slam. Guida hit a big knee, but Diaz landed some hard shots to finish the round. 10-9 for Guida.

Round 2: Guida blocked a hip throw early. The majority of the round was spent clinched against the cage with neither being able to do much. Guida finally took Diaz down with about 1:30 left in the round. Guida controlled Diaz the entire round, while Diaz was trying to sneak in a submission. Guida took Diaz down and Diaz was trying to get a triangle as the round ended. 10-9 for Guida.

Round 3: Diaz started peppering Guida with shots again to start the round. Diaz was getting the better of the stand up and landed a big flurry of punches. Guida managed to take Diaz down with a little over a minute left. Guida almost got Diaz's back but slipped off and Diaz landed a couple of shots from the top as the round came to and end. 10-9 for Diaz.

Winner via split decision (29-28 Diaz, 29-28 Guida, 29-28 Guida): Clay Guida

After the fight, Guida gave an Oscar-like acceptance speech, thanking tons of people. It went on for awhile.

St. Pierre was shown arriving in the back. Penn was shown next. Thiago Silva and Lyoto Machida were then shown warming up.

Karo Parisyan vs. Dong Hyun Kim
Round 1: Parisyan landed a hard right early, but Kim was able to take Parisyan down. Kim and Parisyan got up with Kim jumping on Parisyan's back, but wasn't able to do anything. Kim continued to dominate the round on Parisyan's back trying to cinch in the rear naked choke but wasn't able to get in. He went for a triangle, but Parisyan was able to sneak out. Good round for Kim, 10-9 Kim.

Round 2: Kim landed a big kick early. Parisyan went for a judo throw but landed on his back. Karo was able to turn it over but they got back up to their feet. Parisyan was able to get another judo throw. Parisyan's mouthpiece kept falling out so they paused the fight to put another one in. Much better round for Karo, 10-9 Karo.

Round 3: Kim was trying for a standing rear naked choke. Not much happened this round. Tough round to score since neither man really did anything. I'd score 10-9 for Karo.

Winner via Split Decision: Karo Parisyan (29-28 Parisyan, 29-28 Kim, 29-28 Parisyan):

They must be running tight on time as they didn't even do a post fight interview with Karo. Every fight tonight has went to a decision so far.

Stephan Bonnar vs. Jon Jones
Round 1: Jones landed some hard kicks early. Mike Goldberg noted that Jones is the third youngest fighter in the UFC. Jones got a big throw on Bonnar. Jones nailed Bonnar witha spinning back fist and looked to almost finish the fight and was dropping a flurry of punches before Bonnar pulled guard. Jones nailed another big knee and got a takedown to finish the round. Dominant round for Jones, almost 10-8, but I'd score it 10-9.

Round 2: Jones started off dominant, taking down Bonnar several times. Jones has a ton of potential, he may be the next big thing in this division. Jones was looking tired at the end of this round, but right as I typed that, he scored a huge judo throw. 10-9 Jones.

Round 3: Jones is visibly tired at the start. Bonnar went for a throw, but Jones was able to reverse it and gain the advantage. Bonnar almost got a triangle, but Jones was able to wiggle out. Not much action and this fight is off to the judges' scorecards. 10-9 Jones.

Winner via unanimous decision: Jon Jones (30-27, 29-28, 29-28)

There was no post fight interview again.

Lyoto Machida vs. Thiago Silva
Round 1: Machida scored some nice kicks early on. Machida hit an inadvertent low blow, which caused a pause in the fight. When the fight re-started, Machida took Silva down but they were back up early. Machida scored a nice punch that knocked Silva down and Silva pulled guard. Mchida nailed Silva again and knocked Silva down. Machida rocked Silva with a right that floored Silva, then nailed him with a left as the round was coming to a close and knocked Silva out cold.

Winner via KO at 4:59 of R1: Lyoto Machida

They did a post fight interview this time. Machida asked the crowd if he deserved a title shot and the crowd responded affirmatively.

Georges St. Pierre (c) vs. B.J. Penn

Round 1: Penn and GSP traded knees early. GSP was going for a takedown, but Penn was balancing himself on one leg. GSP kept trying for the takedown, but Penn wouldn't go down. Both men landed some good shots, but neither was overwhelmingly dominant. 10-9 for GSP.

Round 2: Penn landed a good jab early. Penn is already looking a little tired. GSP took Penn down and landed a good elbow.GSP passed Penn's guard and pinned him down and started dropping punches. Penn looks exhausted already. GSP is landing all sorts of shots from the top. GSP spent the rest of the round on top of BJ dropping elbows and cutting Penn under the left eye. 10-8 GSP.

Round 3: GSP landed a good right that busted BJ's nose. GSP keeps jabbing away at Penn, picking him apart.GSP got a takedown and landed several shots from the top. Finally with 2:00 left, Penn worked his way back to his feet. It didn't last long as GSP took Penn down again. At this point, Penn is not looking in the same league as GSP, it's reminiscent of the GSP - Fitch fight where GSP was taking Fitch apart, but Fitch was able to hang on. 10-9 for GSP.

Round 4: St. Pierre is landing some good jabs early and got another takedown. GSP was landing a ton of shots and was getting warned about hitting the back of the head. GSP was able to mount BJ and dominated BJ. 10-8 for GSP.

At the end of the round, BJ Penn's brother called the fight off and GSP got the win.

Winner via TKO at 5:00 of R4: Georges St. Pierre

After the fight Joe Rogan asked GSP about Thiago Alves, who came into the cage and congratulated GSP. I feel bad for Alves.